diff options
Diffstat (limited to 'drivers/vhost/vhost.h')
| -rw-r--r-- | drivers/vhost/vhost.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index 6c844b90a168..466ef7542291 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -132,6 +132,7 @@ struct vhost_virtqueue { struct vhost_umem *iotlb; void *private_data; u64 acked_features; + u64 acked_backend_features; /* Log write descriptors */ void __user *log_base; struct vhost_log *log; @@ -147,7 +148,10 @@ struct vhost_virtqueue { }; struct vhost_msg_node { - struct vhost_msg msg; + union { + struct vhost_msg msg; + struct vhost_msg_v2 msg_v2; + }; struct vhost_virtqueue *vq; struct list_head node; }; @@ -238,6 +242,11 @@ static inline bool vhost_has_feature(struct vhost_virtqueue *vq, int bit) return vq->acked_features & (1ULL << bit); } +static inline bool vhost_backend_has_feature(struct vhost_virtqueue *vq, int bit) +{ + return vq->acked_backend_features & (1ULL << bit); +} + #ifdef CONFIG_VHOST_CROSS_ENDIAN_LEGACY static inline bool vhost_is_little_endian(struct vhost_virtqueue *vq) { |